13890296 has 16 divisors (see below), whose sum is σ = 29765040. Its totient is φ = 5952960.

The previous prime is 13890287. The next prime is 13890301. The reversal of 13890296 is 69209831.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123965 + ... + 124076.

It is an arithmetic number, because the mean of its divisors is an integer number (1860315).

Almost surely, 2^13890296 is an apocalyptic number.

It is an amenable number.

13890296 is an abundant number, since it is smaller than the sum of its proper divisors (15874744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13890296 is a wasteful number, since it uses less digits than its factorization.

13890296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248054 (or 248050 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 13890296 is about 3726.9687414842. The cubic root of 13890296 is about 240.3830457320.

The spelling of 13890296 in words is "thirteen million, eight hundred ninety thousand, two hundred ninety-six".